Home / 1,268,128,648.68-1,743,811,807.74-1,100,574,016.76

Finding the Fourth Proportional to 1,268,128,648.68, 1,743,811,807.74 and 1,100,574,016.76

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Solution

The fourth proportional to 1,268,128,648.68, 1,743,811,807.74 and 1,100,574,016.76 is: 1,513,406,362.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,128,648.68 : 1,743,811,807.74 = 1,100,574,016.76 : x
  2. Step 2: Convert to fraction form
    1,268,128,648.68/1,743,811,807.74 = 1,100,574,016.76/x
  3. Step 3: Cross multiply
    1,268,128,648.68x = 1,743,811,807.74 × 1,100,574,016.76
  4. Step 4: Simplify right side
    1,268,128,648.68x = 1,919,193,965,709,209,856
  5. Step 5: Solve for x
    x = 1,919,193,965,709,209,856/1,268,128,648.68
  6. Step 6: Final answer
    x = 1,513,406,362.76

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.